package com.qf.service.impl;

import com.qf.service.UserService;

/**
 * @author zjw
 * @description
 * @date 2021/9/28$ 15:11$
 */
public class UserServiceImpl implements UserService {

    @Override
    public void save() {
//        int i = 1 / 0;
        System.out.println("save..............");
    }

    @Override
    public String findUsernameById(Integer id) {
        return "id为" + id + "的用户是张大三！";
    }

    @Override
    public void deleteById(Integer id) {
        System.out.println("delete..............");
    }

}
